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a. The refractive index is glass is 1.5. What is the speed of light in glasss? (Speed of light invacuum is 3.0xx10^(8)ms^(-1)) b. Is the speed of light inglass independent of he colour of light? If not, which of the two colours red and violet travels slower in a glass prism? |
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Answer» Solution :REFRACTIVE index mu=`"SPEED of light in VACCUM"/"speed of light in medium"` `mu=(c)/(NU)=(3xx10^(8))/(nu)` `:.nu=(3xx10^(8))/(1.5)=2XX10^(8)ms^(-1)` |
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